import 'dart:io';

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:flutter_activemq_plugin/flutter_activemq_plugin.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = await FlutterActivemqPlugin.platformVersion;
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: GestureDetector(
          onTap: (){
            connectActiveMq();
            registerMethod();
          },
          child: Center(
            child: Text('Running on: $_platformVersion\n'),
          ),
        ),
      ),
    );
  }

  void connectActiveMq() async {
    if (Platform.isAndroid) {
      print('wangc: flutter端connectMq');
      var result = await FlutterActivemqPlugin.connectMq('url', 'id');
      if (result) {
        print("mq链接成功");
      } else {
        print("mq链接失败");
      }
    }
  }

  void registerMethod() {
    MethodChannel channel = const MethodChannel('flutter_activemq_plugin');
    channel.setMethodCallHandler((handler) {
      var completer = new Completer<String>();
      try {
        switch (handler.method) {
          case"receiveMsg":
          //接收到的消息
            var v = handler.arguments;
            print('wangc: flutter端接收消息：$v');
            break;
          default:
            break;
        }
      } catch (e) {
        print(e);
      }
      return completer.future;
    });
  }
}
